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Arctic Air Bringing Cold Temperatures to the Eastern Half of the U.S.; Strong Clipper System Wednesday and Thursday

Arctic air will continue below normal temperatures across the eastern half of the U.S. through today. A strengthening clipper storm will track north of the Great Lakes midweek with a widespread snow and gusty to strong winds through the region and into the Northeast U.S. followed by some lake effect snow. Read More >

Impacts: Above 6000 feet: Roads today will be slick and slushy at times with snow covered roads possible.  Watch out for icy bridges and overpasses.  Below 6000 feet: Roads today will be mainly wet, but will become briefly slick in bursts of heavier snow.  Around sunset all untreated roads could become slick and hazardous.

What/When: A large area of rain and snow is expected to develop quickly this morning over central and south-central Wyoming changing to mainly snow by midday as a cold front moves southeast across the Cowboy State.  The exception is around Casper where the rain might linger through mid-afternoon before changing over. The heaviest and most widespread snowfall is expected to occur between 10 am and 4 pm today.

Winter Weather Advisory in effect for portions of central and south-central Wyoming through midnight tonight.

Snow Accumulations (today and tonight): 

Lander: 3 to 5 inches
Jeffrey City: 3 to 5 inches
Rock Springs: 2 to 3 inches
Casper: 2 inches
Thermopolis: 2 inches
Riverton: 1 to 2 inches

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Here are the latest watches, warnings, and advisories, and forecast snow amounts (click for a larger view):

    

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Want to track the storm? Here are the local and regional radar loops:

Northeast Wisconsin Radar  

 

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Here are some additional links to help monitor the winter weather: